package Io;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class CopyDemo {
    public static void main(String[] args) throws IOException {
        FileInputStream fis=new FileInputStream("aaaa.jpg");
        FileOutputStream fos=new FileOutputStream("aaaa_cp.jpg");
long start=System.currentTimeMillis();
        int d;
        while ((d=fis.read())!=-1){
            fos.write(d);
        }
        long end=System.currentTimeMillis();
        System.out.println("yes");
        System.out.println((end-start));
        fis.close();
        fos.close();
    }
}
